Reverend Larson News Today

Its real. there would be no need to theatrically stage this for any reason. why would anybody do that? i have no idea. >> reporter: bob larson says he has done more than 20,000 exorcisms. and hes certain there will never be any shortage of the devils demons. gary tuchman, cnn, scottsdale, arizona. >> something to see. coming up, an inspiring story of making every day count. a teacher with an inoperable brain tumor turns his terminal illness into a life-affirming american journey. being carried...

Mocking. >> are you bob the builder? [ laughter ] >> you have mocked the servant of god. you will be struck with judgment for mocking the servant of god. >> reporter: another demon, says larson, is named leviathan, who is dangerous and mean. >> out of the way, leviathan. >> take you down down down down. >> youre not take me anywhere. youre the one whos going down. >> we will tear you apart bit by bit and dogs will eat your flesh. >> i call the hounds of hell to come now and begin to eat your fle...

And he says her demons change her voice. >> go now. >> go where? >> go now. go now. >> nobodys taking me out of this home. >> reporter: you may not believe it exorcism. >> say i, lucifer. say i, lucifer. >> but the practice is prevalent among many religions, including bob larsons evangelical christianity. >> simple terms in exorcism is the process of expelling a evil spirit from an individual who has become somehow invaded or demon idaho or possessed by that being and sending it back to hell and...